May Weather in Ilha do Corvo Portugal

Daily high temperatures increase by 4°F, from 64°F to 68°F, rarely falling below 61°F or exceeding 72°F.

Daily low temperatures increase by 3°F, from 58°F to 61°F, rarely falling below 54°F or exceeding 65°F.

For reference, on August 10, the hottest day of the year, temperatures in Ilha do Corvo typically range from 69°F to 77°F, while on February 17, the coldest day of the year, they range from 55°F to 61°F.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on May. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

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The month of May in Ilha do Corvo experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 56% throughout the month.

The clearest day of the month is May 31, with clear, mostly clear, or partly cloudy conditions 45% of the time.

For reference, on January 30, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 67%, while on July 24, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 69%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Ilha do Corvo, the chance of a wet day over the course of May is essentially constant, remaining around 18% throughout.

For reference, the year's highest daily chance of a wet day is 43% on December 20, and its lowest chance is 9% on August 3.

Rainfall

To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during May in Ilha do Corvo is essentially constant, remaining about 1.4 inches throughout, and rarely exceeding 2.9 inches or falling below 0.3 inches.

Over the course of May in Ilha do Corvo, the length of the day is increasing. From the start to the end of the month, the length of the day increases by 53 minutes, implying an average daily increase of 1 minute, 45 seconds, and weekly increase of 12 minutes, 17 seconds.

The shortest day of the month is May 1, with 13 hours, 54 minutes of daylight and the longest day is May 31, with 14 hours, 47 minutes of daylight.

The latest sunrise of the month in Ilha do Corvo is 7:04 AM on May 1 and the earliest sunrise is 26 minutes earlier at 6:38 AM on May 31.

The earliest sunset is 8:59 PM on May 1 and the latest sunset is 27 minutes later at 9:25 PM on May 31.

Daylight saving time is observed in Ilha do Corvo during 2024, but it neither starts nor ends during May, so the entire month is in standard time.

For reference, on June 20, the longest day of the year, the Sun rises at 6:36 AM and sets 14 hours, 59 minutes later, at 9:35 PM, while on December 21, the shortest day of the year, it rises at 8:22 AM and sets 9 hours, 21 minutes later, at 5:43 PM.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

The figure below presents a compact representation of key lunar data for May 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy in Ilha do Corvo is gradually increasing during May, rising from 0% to 5% over the course of the month.

For reference, on August 11, the muggiest day of the year, there are muggy conditions 62% of the time, while on January 17, the least muggy day of the year, there are muggy conditions 0% of the time.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Ilha do Corvo is decreasing during May, decreasing from 15.7 miles per hour to 13.9 miles per hour over the course of the month.

For reference, on December 24, the windiest day of the year, the daily average wind speed is 20.8 miles per hour, while on July 16, the calmest day of the year, the daily average wind speed is 10.9 miles per hour.

The hourly average wind direction in Ilha do Corvo throughout May is predominantly from the west, with a peak proportion of 38% on May 26.

Ilha do Corvo is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average surface water temperature in Ilha do Corvo is gradually increasing during May, rising by 3°F, from 62°F to 64°F, over the course of the month.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

Temperatures in Ilha do Corvo are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days in Ilha do Corvo are increasing during May, increasing by 382°F, from 1,106°F to 1,489°F, over the course of the month.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy in Ilha do Corvo is gradually increasing during May, rising by 0.8 kWh, from 5.9 kWh to 6.7 kWh, over the course of the month.

For the purposes of this report, the geographical coordinates of Ilha do Corvo are 39.702 deg latitude, -31.105 deg longitude, and 0 ft elevation.

The topography within 2 miles of Ilha do Corvo is essentially flat, with a maximum elevation change of 0 feet and an average elevation above sea level of 0 feet. Within 10 miles is also essentially flat (0 feet). Within 50 miles is also essentially flat (0 feet).

The area within 2 miles of Ilha do Corvo is covered by water (89%), within 10 miles by water (100%), and within 50 miles by water (100%).